20881198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{1117}}^1$

素因数の和:1851

約数の個数: 16

約数和(自身を含む): 33808320

約数和(自身を除く): 12927122

約数列:

[1, 2, 13, 26, 719, 1117, 1438, 2234, 9347, 14521, 18694, 29042, 803123, 1606246, 10440599, 20881198]

約数ペア:

[(1, 20881198), (2, 10440599), (13, 1606246), (26, 803123), (719, 29042), (1117, 18694), (1438, 14521), (2234, 9347)]